E1018-1603S is a Cam-Lok single pole male insulated receptacle with a 1 1/8" (28.6mm) threaded stud, designed for reliable industrial power connectivity. This orange color-coded receptacle features a watertight elastomeric TPE body molded from colorfast material for easy phase identification. The unit incorporates recessed contacts protected by an insulating jacket that extends beyond contact ends for safety, and is designed for direct mounting to steel panels. With a stud size of 1/2"-13 and maximum torque rating of 40 ft. lbs., it operates in ambient temperatures from -40°C to 105°C. Common applications include motors, generators, indoor and outdoor lighting distribution panels, and stand-by power systems.